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Keystone Terminals, located in Jacksonville, Fla., recently added a Mantsinen 300 material handler to its fleet. Weighing 870,000 pounds and standing nearly six stories tall, it is Mantsinen’s largest machine in the Americas.

“We equipped the Mantsinen with a 24-yard clam to unload sand, stone and other aggregates,” said Tim Hyland, vice president, SMH Group. “It’s a rubber-tire machine, which allows the operator to easily move along the port and access different sections of a ship. When unloading barges, the Mantsinen deposits aggregates into multiple primary and surge hoppers before the material is trucked around the port.”

The Mantsinen 300 replaces two cable cranes with 14-yard clams, increasing efficiency and maneuverability. Because barges can arrive at any time, the machine will be ready to work 24/7.

“The machine’s efficiency handling material greatly reduces the cost of ownership compared to a cable-crane system,” noted Hyland. “It has faster cycle times and opens opportunities for different vessels and products to unload at the port. Eventually, Keystone Terminals will be able to lift heavier goods as well.”

Partnering with Linder and SMH Group

Keystone Terminals worked closely with Linder, SMH Group and Mantsinen to design the right material handler for its port, from the best cab and undercarriage to the proper boom and stick.

“One of the key steps was getting the dimensions of the port and the dimensions of the vessels they’re unloading,” explained Hyland. “We combined that information using Mantsinen’s software to create a rendering and prototype of the ideal-sized machine loading and unloading vessels at high tide and low tide. That provided Keystone a good example of what the Mantsinen 300 would be able to do for them.”

Instead of assembling the machine at the terminal, Keystone Terminals worked directly with Mantsinen, Linder, SMH Group and UTC Overseas to ship the fully assembled machine from Finland to Florida.

Typically, with a machine this size, it would be shipped in pieces and take upwards of four weeks to assemble and test,” explained Hyland. “We were able to work with multiple companies to assemble, load, ship, unload and test the machine and have it ready to unload barges within a couple days of arrival at the port.

Tim Hyland, Vice President, SMH Group

After the machine arrived, Linder and Mantsinen spent three days providing technical training for Keystone Terminals’ mechanics, as well as two days training its operators. Linder will continue to provide parts and service support for the machine moving forward.

“Linder placed a 40-foot container with spare parts on the property before the machine arrived to make sure they could take care of any service needs 24/7,” stated Hyland. “Linder also has a surplus of parts at the Jacksonville store and triplicates at the SMH Group offices in Charlotte (North Carolina). Our goal is to provide support that allows this machine to maximize uptime and increase Keystone Terminals’ capabilities.”


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